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beam and buzzer, as well as trigger the flash. 

  

To control the flash wirelessly, you need a CL-Tx/V850Rx 

series remote control set (on-camera and on-flash). Insert its 
receive end into the Wireless Control Port (6) on the flash 
and insert the transmit end into the camera hot shoe. 
Settings made on the hotshoe-mounted transmit and receive 
ends will be wirelessly communicated to the flash. Then you can press the

 

camera 

shutter-release button to trigger the flash. You

 

can also hold the transmit end at hand 

to control your off-camera flash.

   

 When the flash unit receives wireless signals,  

  

is shown on the LCD display.

   

 For full instructions on the use of CL series remote

 

control, see its user manual.

12. Sync Triggering

The Sync Cord Jack (7) is a 

Φ

2.5mm plug. Insert a trigger plug here and the flash 

will be fired synchronously with the camera shutter.

13. Custom Function----Sleep Function

    

    This product is equipped with Sleep Function to avoid battery drain when the flash 
unit is idle.  
    Press <  

   

 > button and hold for 2 seconds to enter the Sleep Function Mode. 

The LCD panel displays “SL” (Sleep) and “Sleeping Time”. Idle time before entering 
Sleep Mode is 10 minutes by default. Rotate Select Dial (14) to set a desired time for 
the flash or to turn off Sleep Function. Press <         > button to return.

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    When the flash enters sleep mode, the LCD panel displays a “

   

”icon.

    To wake up the flash unit, press any button on the flash unit, or press the camera 
release button, or press the trigger TEST button.

Note:

a longer battery life.

The idle time before entering Sleep Mode is recommended to set short. This can ensure 

Protection Function

with all shutter speeds of cameras (max. 1/8000 second, up to your camera). This is 
convenient when you want to use aperture priority for fill-flash portraits.

Note:

* Hi-speed sync triggering mode is effective only when the flash unit is used together with hi-
speed sync trigger, e.g., CellsII-C transceiver.
* Hi-speed sync triggering mode is not available when the flash unit is mounted onto the camera 
hotshoe.

Number of flashes that will activate over-temperature protection in high-speed 
sync triggering mode:

Power Output

1/1

1/2

(

+0.3,+0.7

)

;1/4

(

+0.3,+0.7

)

1/8

(

+0.3,+0.7

)

;1/16

(

+0.3,+0.7

)

1/32

(

+0.3,+0.7

)

;1/64

(

+0.3,+0.7

)

;1/128

(

+0.3,+0.7

)

Times

10

15

20

30

To avoid overheating or deteriorating the flash head during high speed sync flash, the 
over-temperature protection function will be activated automatically after 10 continuous 
high-speed flashes and the recycle time becomes 10 seconds longer.

9.

 

Custom Function-----Focus Assist Lamp

    Under poorly-lit or low-contrast conditions, you can press <

     

> button (18) to 

turn on the focus assist beam in order to make it easier to autofocus. 
    The beam will automatically get out certain seconds after the last pop is fired. The 
time between the last fire and the auto shutdown of focus assist beam is called No-
Flash Time. The time is user adjustable and set to 10 seconds by default.
    Press <      

  

> button and hold for 2 seconds to enter Custom Function. Then 

press “SET” button to enter “FC” mode. The LCD panel displays “FC”(Auto shutdown 
of focus assist lamp) and “No-Flash Time”. Rotate Select Dial (14) to set a desired 
time for the flash. Press <    

  

  > button to return.

10. Buzz Function

To turn the buzz function on or off, press <

    

> button (13) and hold for 2 seconds.

When the buzzer is turned on, 

   

is shown on the LCD display. 

11. Wireless Control Function

  

The flash unit is built in with a Wireless Control Port (6) so that you can wirelessly 

adjust the power level of the flash and control the on-or-off of your flash, focus assist 

1. Over-Temperature Protection

   

 

To avoid overheating and deteriorating the flash head, do not fire more than 20 

continuous flashes in fast succession at 1/1 full power. After 20 continuous flashes, 
allow a rest time of at least 10 minutes.

Idle Time

OF

3

10

30

60

Meaning

Sleep Function is turned off. The flash unit will not automatically enter sleep mode.

Idle time before entering Sleep Mode is set to 3 minutes.

Idle time before entering Sleep Mode is set to 10 minutes.

Idle time before entering Sleep Mode is set to 30 minutes.

Idle time before entering Sleep Mode is set to 60 minutes.

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No-Flash Time

10 seconds

20 seconds

30 seconds

Meaning

10 seconds after the last fire, focus assist lamp will automatically get out.

20 seconds after the last fire, focus assist lamp will automatically get out.

30 seconds after the last fire, focus assist lamp will automatically get out.

Fn

ZOOM

Fn

ZOOM

Summary of Contents for V850

Page 1: ...Instruction Manual Pioneering Li ion Camera Flash Cheetah Light LLC www cheetahstand com info cheetahstand com ...

Page 2: ...t and fire or electromagnetic interference may result Do not leave or store the flash unit in places where the ambient temperature reads over 50 C e g in automobile Otherwise the electronic parts may be damaged Before using this product Please read this user manual carefully in order to ensure your safety and the proper operation of this product Keep for future reference Thank you for purchasing a...

Page 3: ...harge overdischarge overcurrent and short circuit 3 Take only 2 5 hours to fully charge the battery by using the standard battery charger Name of Parts 01 Catchlight Panel 02 Built In Wide Panel Retracted 03 Flash Head 04 Optic Control Sensor 05 Focus Assist Beam 06 Wireless Control Port 07 Sync Cord Jack 08 Hotshoe 09 Lock Ring 10 Li ion Battery Compartment Body LCD Panel 11 Mode Selection Button...

Page 4: ...s in terms of f stop when you increase or decrease the flash output Figures displayed when reducing flash output level Figures displayed when increasing flash output level Attaching to a Camera Using the Flash 1 Do not short circuit 2 Do not expose to rain or immerse into water This battery is not water proof 3 Keep out of reach of children 4 No over 24 hours continuous charging 5 Store in dry coo...

Page 5: ...In this mode you can set the flash unit onto your camera hot shoe or your trigger hot shoe for firing Before shooting adjust the flash power output When the camera s shutter is pressed the flash will fire synchronously Slave triggering mode is not available in M mode 5 S1 Mode S1 Slave Triggering Mode Press Mode Selection Button 11 to enter S1 mode In this mode the flash unit can function as a sla...

Page 6: ...ng mode Power Output 1 1 1 2 0 3 0 7 1 4 0 3 0 7 1 8 0 3 0 7 1 16 0 3 0 7 1 32 0 3 0 7 1 64 0 3 0 7 1 128 0 3 0 7 Times 10 15 20 30 To avoid overheating or deteriorating the flash head during high speed sync flash the over temperature protection function will be activated automatically after 10 continuous high speed flashes and the recycle time becomes 10 seconds longer 9 Custom Function Focus Ass...

Page 7: ... Output Level 1 1 1 2 0 7 1 2 0 3 1 2 1 4 0 3 0 7 2 Other Protections The system provides real time protection to secure the device and your safety The following lists prompts for your reference Prompts on LCD Panel E0 E1 E2 E3 Meaning A failure occurs on the temperature sensor Please send this kit to a maintenance center A failure occurs on the recycling system so that the flash cannot fire Pleas...

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